History of Radio – Who invented the Radio

Who invented the radio is a very debatable topic. A number of researchers have contributed to it. The history of radio can be considered from 1895. Who invented the radio?
The credit of inventing the radio goes to a number of researchers. The names of Guglielmo Marconi, Nikola Tesla, Alexander Popov, Sir Oliver [...]

Who invented Light Bulb

Historians estimate that over twenty inventors worked toward the creation and design of the light bulb
Let there be light

Today the light bulb is one of the most common illuminating devices around but this simple luxury was designed less than 200 years ago. Similar to any other great invention, like the invention of the internet, many [...]

The History of the Telephone

Alexander Graham Bell and Elisha Gray raced to invent the telephone.
By Mary Bellis, About.com

Alexander Graham Bell
In the 1870s, two inventors Elisha Gray and Alexander Graham Bell both independently designed devices that could transmit speech electrically (the telephone). Both men rushed their respective designs to the patent office within hours of each other, Alexander Graham Bell [...]

Writing Cover Letters

STEPS

Format the heading elements correctly. Line spacing and address conventions mainly apply for a paper cover letter. For an online version that is not likely to be printed out, the date alone may be sufficient, or not even required.

Include your address at the top (in the right hand corner – approximately 1 inch down from [...]

Explanation on Mobile Related Terms

GSM Mobile/Cellular Phones
All our GSM Cellular Phones are GSM 900 and GSM 1800 network compatible. GSM is a digital network used in Europe, Asia and Africa. All our GSM Cellular Phones are unlocked and use SIM Card. SIM Cards for international roaming can be purchased from Bell South, A T & T, GTE and Voice [...]